Human Health Toxicity Values for Hexafluoropropylene Oxide Dimer Acid and its Ammonium Salt (GenX Chemicals) and Perfluorobutane Sulfonic Acid (PFBS) and Related Compound Potassium Perfluorobutane Sulfonate

15 organizations filed 17 public comments on Human Health Toxicity Values for Hexafluoropropylene Oxide Dimer Acid and its Ammonium Salt (GenX Chemicals) and Perfluorobutane Sulfonic Acid (PFBS) and Related Compound Potassium Perfluorobutane Sulfonate, at the Environmental Protection Agency. The comment window closed 2744d ago.

Abstract

The toxicity assessments for GenX chemicals and PFBS are scientific and technical reports that include toxicity values associated with potential noncancer health effects following oral exposure (in this case, oral reference doses [RfDs]). The EPA developed draft assessments to provide the health effects information available for GenX chemicals and PFBS and describe how that information was used to derive draft toxicity values. These assessments evaluate human health hazards. The toxicity assessments and the values contained within are not risk assessments as they do not include exposure assessments or provide a risk characterization. Further, the toxicity assessments do not address the legal, political, social, economic, or technical considerations involved in risk management. When issued, the toxicity assessments can be used by the EPA, states, tribes, and local communities, along with specific exposure and other relevant information, to determine, under the appropriate regulations and statutes, if and when it is necessary to take action to address potential risk associated with human exposures to these per- and polyfluoroalkyl substances (PFAS) chemicals.

Commenters (15)

• American Chemistry Counciltrade assoc.

  2 filings · confidence 97%
• Environmental Protection Network (EPN)trade assoc.

  2 filings · confidence 97%
• 3M Companyunverified attribution

  1 filing · confidence 70%
• American Water Works Associationtrade assoc.

  1 filing · confidence 97%
• Arnold & Peters on behalf of the Chemours Companyunverified attribution

  1 filing · confidence 70%
• Boston University School of Public Healthunverified attribution

  1 filing · confidence 70%
• Green Toxicology LLCunverified attribution

  1 filing · confidence 70%
• Inc. for Chemours Companyunverified attribution

  1 filing · confidence 70%
• Inc. on behalf of The Chemours Companyunverified attribution

  1 filing · confidence 70%
• Indiana Universityunverified attribution

  1 filing · confidence 70%
• National Association of Water Companiestrade assoc.

  1 filing · confidence 85%
• Natural Resources Defense Council (NRDC)trade assoc.

  1 filing · confidence 97%
• North Carolina State Universityunverified attribution

  1 filing · confidence 70%
• Silent Spring Institutetrade assoc.

  1 filing · confidence 85%
• Toxics Use Reduction Institutetrade assoc.

  1 filing · confidence 85%